The latest update will increment the build number slightly from Windows 10 PC build 10586.420 and Mobile 10.0.10586.420) to build 10586.494 for PC and Mobile 10.0.10586.494. You can check your Windows 10 version by pressing WinLogo key+R then type Winver or simply searching ‘winver’.

Windows 10 Threshold(Build 10586) users will see two separate updates, named as Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3172985) and Update for Windows 10 Version 1511 for x64-based Systems (KB3173428). Go check your updates.

Note:-Windows 10 Anniversary Update is coming on August 2, which is free for Windows 10 users. Microsoft Windows 10 free upgrade offer is also ending on July 29. If you are still on Windows 7/8/8.1, you have few days left to upgrade your PC to Windows 10.